1. Subalgebras of closure algebras

   • G. Hansoul
   • L. Vrancken-Mawet

   OriginalPaper Pages: 205 - 219

2. Generalisation and improvement of two series inequalities

   • M. Borogovac
   • Š. Arslanagić

   OriginalPaper Pages: 221 - 226

3. Periodic solutions of autonomous systems of difference and difference-differential equations with a small delay

   • M. A. Hekimova
   • D. D. Bainov

   OriginalPaper Pages: 227 - 256

4. The associated geometric category of the category of Steiner triple systems

   • M. H. Armanious

   OriginalPaper Pages: 257 - 261

5. Finite linear coverings of locally connected continua

   • P. Spyrou

   OriginalPaper Pages: 263 - 267

6. Refinement of an inequality of H. Kober

   • H. Alzer

   BriefCommunication Pages: 269 - 271